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14661893 is a prime number
BaseRepresentation
bin110111111011…
…100100000101
31000120220100002
4313323210011
512223140033
61242131045
7235424021
oct67734405
930526302
1014661893
118304774
124ab0a85
13306479c
141d39381
1514493e8
hexdfb905

14661893 has 2 divisors, whose sum is σ = 14661894. Its totient is φ = 14661892.

The previous prime is 14661869. The next prime is 14661937. The reversal of 14661893 is 39816641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12159169 + 2502724 = 3487^2 + 1582^2 .

It is a cyclic number.

It is not a de Polignac number, because 14661893 - 210 = 14660869 is a prime.

It is a super-2 number, since 2×146618932 = 429942212686898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14661193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7330946 + 7330947.

It is an arithmetic number, because the mean of its divisors is an integer number (7330947).

Almost surely, 214661893 is an apocalyptic number.

It is an amenable number.

14661893 is a deficient number, since it is larger than the sum of its proper divisors (1).

14661893 is an equidigital number, since it uses as much as digits as its factorization.

14661893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 14661893 is about 3829.0851387766. The cubic root of 14661893 is about 244.7541223370.

The spelling of 14661893 in words is "fourteen million, six hundred sixty-one thousand, eight hundred ninety-three".